PubMed:19048115 / 803-810 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T29","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T18","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}